Washington state vendor registration 2026

1. Click ‘Get Form’ to open the Washington State Vendor Registration form in the editor.
2. Begin by entering your SSPS Provider Name (Vendor) as it appears on your federal tax forms. This is crucial for accurate identification.
3. Fill in your SSPS Provider Number, which is a six-digit number assigned by the state. If you do not have one, contact the appropriate agency.
4. Provide your complete address, including city, state, and zip code. This is where payment notifications will be sent.
5. Enter your contact name if different from the provider name, along with your telephone number and fax number for communication purposes.
6. Input your email address for direct deposit notifications. Ensure it’s an address compatible with the system.
7. Complete the financial institution details: name, phone number, routing number (9 digits), and account number. Specify whether it's a checking or savings account.
8. Print and sign the authorization section to confirm that you allow electronic payments to be made to your specified account.
9. Finally, review all entries for accuracy before submitting the form along with Form W-9 to the designated department.

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